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COMMITMENTS AND CONTINGENCIES - Insurance Recoveries (Details) $ in Millions | Dec. 31, 2021 USD ($) facility
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COMMITMENTS AND CONTINGENCIES |
Number of self-storage units under development | facility | 3
Future milestone payments | $ | $ 37.3

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Data Type: | xbrli:monetaryItemType
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- Definition Number of self-storage units under development. + References No definition available. + Details
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Namespace Prefix: | cube_
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Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
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